Finding the Fourth Proportional to 238,393.48, 328,902.68 and 135,013.52
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Solution
The fourth proportional to 238,393.48, 328,902.68 and 135,013.52 is: 186,273.17
Step by Step Solution
- Step 1: Write the proportion equation
238,393.48 : 328,902.68 = 135,013.52 : x - Step 2: Convert to fraction form
238,393.48/328,902.68 = 135,013.52/x - Step 3: Cross multiply
238,393.48x = 328,902.68 × 135,013.52 - Step 4: Simplify right side
238,393.48x = 44,406,308,564.23 - Step 5: Solve for x
x = 44,406,308,564.23/238,393.48 - Step 6: Final answer
x = 186,273.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.